Program {
    items: [
        Function(
            Function {
                fn_token: Token {
                    kind: Identifier,
                    location: Location {
                        start: 0,
                        end: 2,
                    },
                },
                name: Token {
                    kind: Identifier,
                    location: Location {
                        start: 3,
                        end: 20,
                    },
                },
                opening_paren: Token {
                    kind: Symbol,
                    location: Location {
                        start: 20,
                        end: 21,
                    },
                },
                arguments: [
                    FunctionArgument {
                        name: Token {
                            kind: Identifier,
                            location: Location {
                                start: 21,
                                end: 22,
                            },
                        },
                        colon: Token {
                            kind: Symbol,
                            location: Location {
                                start: 22,
                                end: 23,
                            },
                        },
                        reference_token: None,
                        arg_type: TypeHint {
                            type_name: Token {
                                kind: Identifier,
                                location: Location {
                                    start: 24,
                                    end: 30,
                                },
                            },
                        },
                    },
                ],
                closing_paren: Token {
                    kind: Symbol,
                    location: Location {
                        start: 30,
                        end: 31,
                    },
                },
                return_decl: Some(
                    ReturnDecl {
                        return_token: Token {
                            kind: Symbol,
                            location: Location {
                                start: 32,
                                end: 34,
                            },
                        },
                        return_type: TypeHint {
                            type_name: Token {
                                kind: Identifier,
                                location: Location {
                                    start: 35,
                                    end: 41,
                                },
                            },
                        },
                    },
                ),
                body: Body {
                    opening_brace: Token {
                        kind: Symbol,
                        location: Location {
                            start: 42,
                            end: 43,
                        },
                    },
                    statements: [
                        Return(
                            ReturnWithValue {
                                return_token: Token {
                                    kind: Identifier,
                                    location: Location {
                                        start: 48,
                                        end: 54,
                                    },
                                },
                                expression: FunctionCall {
                                    name: Token {
                                        kind: Identifier,
                                        location: Location {
                                            start: 55,
                                            end: 72,
                                        },
                                    },
                                    arguments: [
                                        UnaryOperator {
                                            name: Token {
                                                kind: Symbol,
                                                location: Location {
                                                    start: 73,
                                                    end: 74,
                                                },
                                            },
                                            operand: Variable {
                                                variable: Token {
                                                    kind: Identifier,
                                                    location: Location {
                                                        start: 74,
                                                        end: 75,
                                                    },
                                                },
                                            },
                                        },
                                    ],
                                },
                                semicolon: Token {
                                    kind: Symbol,
                                    location: Location {
                                        start: 76,
                                        end: 77,
                                    },
                                },
                            },
                        ),
                    ],
                    closing_brace: Token {
                        kind: Symbol,
                        location: Location {
                            start: 78,
                            end: 79,
                        },
                    },
                },
            },
        ),
        Function(
            Function {
                fn_token: Token {
                    kind: Identifier,
                    location: Location {
                        start: 81,
                        end: 83,
                    },
                },
                name: Token {
                    kind: Identifier,
                    location: Location {
                        start: 84,
                        end: 101,
                    },
                },
                opening_paren: Token {
                    kind: Symbol,
                    location: Location {
                        start: 101,
                        end: 102,
                    },
                },
                arguments: [
                    FunctionArgument {
                        name: Token {
                            kind: Identifier,
                            location: Location {
                                start: 102,
                                end: 103,
                            },
                        },
                        colon: Token {
                            kind: Symbol,
                            location: Location {
                                start: 103,
                                end: 104,
                            },
                        },
                        reference_token: Some(
                            Token {
                                kind: Symbol,
                                location: Location {
                                    start: 105,
                                    end: 106,
                                },
                            },
                        ),
                        arg_type: TypeHint {
                            type_name: Token {
                                kind: Identifier,
                                location: Location {
                                    start: 106,
                                    end: 112,
                                },
                            },
                        },
                    },
                ],
                closing_paren: Token {
                    kind: Symbol,
                    location: Location {
                        start: 112,
                        end: 113,
                    },
                },
                return_decl: Some(
                    ReturnDecl {
                        return_token: Token {
                            kind: Symbol,
                            location: Location {
                                start: 114,
                                end: 116,
                            },
                        },
                        return_type: TypeHint {
                            type_name: Token {
                                kind: Identifier,
                                location: Location {
                                    start: 117,
                                    end: 123,
                                },
                            },
                        },
                    },
                ),
                body: Body {
                    opening_brace: Token {
                        kind: Symbol,
                        location: Location {
                            start: 124,
                            end: 125,
                        },
                    },
                    statements: [
                        Return(
                            ReturnWithValue {
                                return_token: Token {
                                    kind: Identifier,
                                    location: Location {
                                        start: 130,
                                        end: 136,
                                    },
                                },
                                expression: UnaryOperator {
                                    name: Token {
                                        kind: Symbol,
                                        location: Location {
                                            start: 137,
                                            end: 138,
                                        },
                                    },
                                    operand: Variable {
                                        variable: Token {
                                            kind: Identifier,
                                            location: Location {
                                                start: 138,
                                                end: 139,
                                            },
                                        },
                                    },
                                },
                                semicolon: Token {
                                    kind: Symbol,
                                    location: Location {
                                        start: 139,
                                        end: 140,
                                    },
                                },
                            },
                        ),
                    ],
                    closing_brace: Token {
                        kind: Symbol,
                        location: Location {
                            start: 141,
                            end: 142,
                        },
                    },
                },
            },
        ),
    ],
}